Mitsubishi Heavy Industries FDTC25VF Bedienungsanleitung

.BOVBM/Pht43,5

INVERTER RESIDENTIAL AIR CONDITIONERS

(Split system, air to air heat pump type)

Ceiling cassette-4way compact type

'%5$7'

'%5$7'

TECHNICAL MANUAL

'12 • SRK-T-126

'10 • SR-T-091

CONTENTS

1. SPECIFICATIONS ........................................................................................ 3........................................................................................ 3

(2) Outdoor units ....................................................................................... 6

..................................................... 13

(3) Wired remote controller

................................................................................ 7

......................................................................... 5

(1) Indoor units .......................................................................................... 5

2. EXTERIOR DIMENSIONS

3. ELECTRICAL WIRING .............................................................................. 8

(1) Indoor units .......................................................................................... 8

4. NOISE LEVEL ............................................................................................ 10

(2) Outdoor units ....................................................................................... 9

9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER .............. 29

6. RANGE OF USAGE & LIMITATIONS

................................................................................... 15

7. CAPACITY TABLES

5. PIPING SYSTEM ...................................................................................... 12

.................................................................................. 16

8. APPLICATION DATA

8.1 Installation of indoor unit ..................................................................... 16

8.2 Installation of outdoor unit ................................................................... 22

9.1 Wired remote controller (option parts) ................................................ 29

9.2 Operation control function by the wired remote controller ............... 30

9.3 Operation control function by the indoor controller ........................ 31

9.4 Operation control function by the outdoor controller ....................... 40

............................................................................. 46

10.1 Diagnosing of microcomputer circuit ............................................ 46

(3) Troubleshooting at the indoor unit ..................................................... 49

(1) Selfdiagnosis function .......................................................................... 46

(2) Troubleshooting procedure ................................................................. 49

10. MAINTENANCE DATA

(4) Check of anomalous operation data with the remote controller .......... 53

(5) Inverter checker for diagnosis of inverter output ................................ 54

(6) Outdoor unit controller failure diagnosis circuit diagram ..................... 55

'12 • SRK-T-126

gs324

.................................................................................... 574ROUBLESHOOTING

...................................................................................... 56,ISTOFTROUBLES

10.2 Troubleshooting flow .......................................................................... 56

11.1 Instullation of wired remote controller (RC-E5) ............................... 95

11.2 Wireles kit (RCN-TC-24W-ER)

11. OPTION PARTS ....................................................................................... 95

11.3 Simple wired remote controoller (RCH-E3)

■How to read the model name

Example:

・Indoor unit

・Outdoor unit

SRC 25 Z

Series code

Inveter type

Product capacity

Model name 〔Outdoor unit〕

JX-S

FDTC 25 VF

Series code

Product capacity

Model name 〔Ceiling cassette-4way compact type〕

............................................................101

......................................105

'12 • SRK-T-126

Model

Item

FDTC25VF

Indoor unit FDTC25VF Outdoor unit SRC25ZJX-S

Panel TC-PSA-25W-E

Power source 220/230/240V

50Hz

Operation data Cooling Heating

Nominal capacity kW 2.55 [ 0.9 (Min.)

3.2 (Max.)] 3.45 [ 0.9 (Min.)

4.7 (Max.)]

Power consumption kW 0.6 0.84

Running current A 3.0/2.9/2.8 4.1/4.0/3.8

Power factor % 91 92

Inrush current A 4.1

Sound Pressure Level dB(A) Cooling P-Hi : 38 Hi : 36 Me : 32 Lo : 29

Heating P-Hi : 39 Hi : 38 Me : 33 Lo : 29.5 47

Exterior dimensions

Height x Width x Depth mm Unit 248 × 570 × 570

Panel 35 × 700 × 700 595 x 780 x 290

Exterior appearance

(Munsell color)

Plaster White

( 6.8Y8.9/0.2 ) near equivalent

Stucco White

( 4.2Y7.5/1.1 ) near equivalent

Net weight kg UNIT 15 PANEL 3.5 38

Refrigerant equipment

Compressor type & Q'ty — RM-B5077MDE1 (Rotary type) x 1

Starting method — Direct line start

Refrigerant oil — 0.35 (DIAMOND FREEZE MA68)

Heat exchanger Louver ﬁn & inner grooved tubing M shape ﬁn & inner grooved tubing

Refrigerant control — Electronic expansion valve

Air handling equipment

Fan type & Q'ty Turbo fan × 1 Propeller fan × 1

Motor <Starting method> W 33 <Direct line start> 24 <Direct line start>

Air ﬂow (Standard) CMM Cooling P-Hi : 10 Hi : 9 Me : 8 Lo : 6.5

Heating P-Hi : 10.5 Hi : 9.5 Me : 8.5 Lo : 7

Cooling 29.5

Heating 27.0

Available static pressure Pa 0 —

Outdoor air intake Not possible —

Air ﬁlter, Q'ty Pocket plastic net × 1 (Washable) —

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)

Insulation (noise & heat) Polyurethane form —

Electric heater W — —

Remote controller wired : RC-E5, RC-EX1A (option) wireless : RCN-TC-24W-ER (option)

Room temperature control Thermostat by electronics —

Safety equipment Overload protection for fan motor

Frost protection thermostat

Internal thermostat for fan motor

Abnormal discharge temperature protection.

Installation data

Refrigerant piping size mm Liquid line : I/U φ6.35 (1/4") Pipe φ6.35 (1/4") × 0.8 O/U φ6.35 (1/4")

Gas line

φ9.52 (3/8")

φ9.52 (3/8") × 0.8 φ9.52 (3/8")

Connecting method Flare piping Flare piping

Refrigerant line (one way) length

Max. 15m

Vertical height difference between

outdoor unit and indoor unit

Max. 10m (Outdoor unit is higher)

Max. 10m (Outdoor unit is lower)

Refrigerant Quantity R410A 1.2kg in outdoor unit (incl. the amount for the piping of : 15m)

Drain pump Built-in Drain pump —

Drain Hose Connectable with VP20 —

Insulation for piping Necessary (Both liquid & Gas lines)

Standard Accessories Mounting kit, Drain hose Drain elbow, Drain hole grommet

Item Indoor air temperature Outdoor air temperature

Operation DB WB DB WB

Cooling 27˚C 19˚C 35˚C 24˚C

Heating 20˚C 7˚C 6˚C

(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.

(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to

ambient temperature.

(4) The operation data indicates when the air-conditioner is operated at 220/230/240V 50Hz.

(5) When wireless remote controller is used, fan is 3 speed setting (Hi-Me-Lo) only.

1. SPECIFICATIONS Adapted to RoHS directive

Notes (1) The data are measured at the following conditions when the air ﬂow is high mode.

RWA000Z234

'12 • SRK-T-126

Model

Item

FDTC35VF

Indoor unit FDTC35VF Outdoor unit SRC35ZJX-S

Panel TC-PSA-25W-E

Power source 220/230/240V

50Hz

Operation data Cooling Heating

Nominal capacity kW 3.6 [ 0.9 (Min.)

4.1 (Max.)] 4.25 [ 0.9 (Min.)

5.1 (Max.)]

Power consumption kW 1.07 1.16

Running current A 4.9/4.7/4.5 5.3/5.1/4.9

Power factor % 99 99

Inrush current A 5.3

Sound Pressure Level dB(A) Cooling P-Hi : 41 Hi : 40 Me : 36 Lo : 30

Heating P-Hi : 43 Hi : 42 Me : 35 Lo : 32 50

Exterior dimensions

Height x Width x Depth mm Unit 248 × 570 × 570

Panel 35 × 700 × 700 595 x 780 x 290

Exterior appearance

( Munsell color )

Plaster White

( 6.8Y8.9/0.2 ) near equivalent

Stucco White

( 4.2Y7.5/1.1 ) near equivalent

Net weight kg UNIT 15 PANEL 3.5 38

Refrigerant equipment

Compressor type & Q'ty — RM-B5077MDE1 (Rotary type) x 1

Starting method — Direct line start

Refrigerant oil — 0.35 (DIAMOND FREEZE MA68)

Heat exchanger Louver ﬁn & inner grooved tubing M shape ﬁn & inner grooved tubing

Refrigerant control — Electronic expansion valve

Air handling equipment

Fan type & Q'ty Turbo fan × 1 Propeller fan × 1

Motor <Starting method> W 33 <Direct line start> 24 <Direct line start>

Air ﬂow (Standard) CMM Cooling P-Hi : 11 Hi : 9.5 Me : 9 Lo : 7

Heating P-Hi : 11.5 Hi : 10.0 Me : 9 Lo : 8

Cooling 32.5

Heating 29.5

Available static pressure Pa 0 —

Outdoor air intake Not possible —

Air ﬁlter, Q'ty Pocket plastic net × 1 (Washable) —

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for Compressor)

Insulation (noise & heat) Polyurethane form —

Electric heater W — —

Remote controller wired : RC-E5, RC-EX1A (option) wireless : RCN-TC-24W-ER (option)

Room temperature control Thermostat by electronics —

Safety equipment Overload protection for fan motor

Frost protection thermostat

Internal thermostat for fan motor

Abnormal discharge temperature protection.

Installation data

Refrigerant piping size mm Liquid line : I/U φ6.35 (1/4") Pipe φ6.35 (1/4") × 0.8 O/U φ6.35 (1/4")

Gas line

φ9.52 (3/8")

φ9.52 (3/8") × 0.8 φ9.52 (3/8")

Connecting method Flare piping Flare piping

Refrigerant line (one way) length

Max. 15m

Vertical height difference between

outdoor unit and indoor unit

Max. 10m (Outdoor unit is higher)

Max. 10m (Outdoor unit is lower)

Refrigerant Quantity R410A 1.2kg in outdoor unit (incl. the amount for the piping of : 15m)

Drain pump Built-in Drain pump —

Drain Hose Connectable with VP20 —

Insulation for piping Necessary (Both liquid & Gas lines)

Standard Accessories Mounting kit, Drain hose Drain elbow, Drain hole grommet

Item Indoor air temperature Outdoor air temperature

Operation DB WB DB WB

Cooling 27˚C 19˚C 35˚C 24˚C

Heating 20˚C 7˚C 6˚C

(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.

(3) Sound pressure level indicates the value in an anechoic chamber. During operation these value are somewhat higher due to

ambient temperature.

(4) The operation data indicates when the air-conditioner is operated at 220/230/240V 50Hz.

(5) When wireless remote controller is used, fan is 3 speed setting (Hi-Me-Lo) only.

Adapted to RoHS directive

Notes (1) The data are measured at the following conditions when the air ﬂow is high mode.

RWA000Z234

'12 • SRK-T-126

2. EXTERIOR DIMENSIONS

(1) Indoor units

Models FDTC25VF, 35VF

PJA003Z338

Holeforwiring

Suspensionbolts

Drainpiping

Liquidpiping

（M10orM8）

VP20（I.D.20,O.D.26）Note（2）

6.35（1／4"）（Flare）

Gaspiping

Symbol

:

9.52

Content

（Knockout）

（２）Preparetheconnectingsocket（VP20）onsite.

Notes（１）Themodelnamelabelisattachedonthecontrolboxlid.

（３）Thisunitisdesignedfor2x2gridceiling.

provideaninspectionportonthecontrolboxside.

Ifitisinstalledonaceilingotherthan2x2gridceiling,

Obstacle

1000

ormore

600

295

Remotecontroller

口120

Max.Drainlift（）

orless

〜325

Spaceforinstallationandservice

ormore

Option（）

Makeaspaceof4000ormorebetween

theunitswheninstallingmorethanone.

Airoutletopening

forducting

6-Ø4

Holesfor

Hole

140

100

140

tappingscrews

ABC F

145 325

□570

ormore

132

192

210

248

Hangerplatefor

suspensionbolt

Drainhosepiece

Accessory

185

190 223

326

350

530

530

556

200 48

口413

口700

Suspensionboltspitch

Control

box

（）

Installedonsite（）

Decorativepanel

（）

Airsupply Airreturn

grille

:

12.7

Model 25,35

40-60

（3／8"）（Flare）

（1／2"）（Flare）

□120 19

Remotecontroller

（Option）

'12 • SRK-T-126

(2) Outdoor units

Models SRC25ZJX-S, 35ZJX-S

Intake

Outlet

Intake L3

Minimum installation space

Service

space

( )

100

250

Open

ＩＩＩ

Open

250

280

ＩＩＩ

280

Open

Examples of

Dimensions

installation

ＩＶ

180

Open

Notes

（1）It must not be surrounded by walls on the four sides.

（2）The unit must be fixed with anchor bolts. An anchor bolt must not

protrude more the 15mm.

（3）Where the unit is subject to strong winds, lay it in such

a direction that the blower outlet faces perpendicularly

to the dominant wind direction.

（4）Leave 1m or more space above the unit.

（5）A wall in front of the blower outlet must not exceed the units height.

（6）The model name label is attached on the lower right corner of the front panel.

φ9.52（3／8"）（Flare）

Content

C Pipe／cable draw-out hole

E Anchor bolt hole

Drain discharge hole

Symbol

A Service valve connection（gas side）

M10 × 4places

φ20 × 2places

Service valve connection（liquid side）

φ6.35（1／4"）（Flare）

40°

138.4 33.5

Terminal block

97.7 42.5

15.8

595

63.4

390.6

69.4

111.6 510 158.4

780 61.9

17.9

14.8 312.5 24.3

351.6

50.6

290

Unit:mm

RCV000Z007

'12 • SRK-T-126

(3) Wired remote controller (option parts)

Model : RC-E5

PJZ000Z295

'12 • SRK-T-126

3. ELECTRICAL WIRING

(1) Indoor units

Models FDTC25VF, 35VF

Control PCB

Power PCB

XR1

XR2

XR3

XR4

XR5（Remote operation input:volt-free contact）

Option

+12

SW2

SW6

SW5

SW7

LED・2 LED・3

t°

Remote controller

TB2

CNW3

CNW2

CNW4

CNW1

CNB

CNN

CNH

CNI

CNT

RD F200（3.15A）

F201（3.15A）

F202

（1.0A）

F203

（0.16A）

CNW0

TB1

CNJ

（Operation）

（Heating）

（CompressorON）

（Inspection）

Earth

Y／GN

1 3

1〜

CNR

WH BR

Y Y

2 1

CNR2

1 4 5 6 7

CNM

5 6 4 3 2

RD BL BR OR WH

5 6 4 3 2

RD BL BR OR WH

CNM3

CNM4

t°

-R2

-R3

-A

CNH2

t°

-R1

CNN2

CNI2

CNC

Power circuit

Y／GN

LM1

LM2

LM3

LM4

CNJ2

Power source line

Signal line

1 2

［］

indoor unit and outdoor unit

Connecting line between

BL 1

Y／GN

10 BK

11 BK

12 BK

13 BK

14 BK

15 BK

16 BK

17 BKBK

18 BK

19 BK

20 BK

BKBK

LM1〜4DM

Float switch

Drain motor

Fan motor

Louver motor

Indication lamp（Red-Inspection）

Indication lamp

LED・3

F200〜203 Fuse

LED・2

ConnectorCNB〜Z

（Green-Normal operation）

Model capacity settingSW6

Operation check,Drain motor test runSW7-1

SW5

Thermistor（Remote controller）

Thermistor（Heat exchanger）

Thermistor（Return air）

Thc

-R1,2,3

-A

TB2 Terminal block（Signal line）（□mark）

Relay for DMX4

■mark Closed-end connector

TB1 Terminal block（Power source）

（□ mark）

Remote controller communication

SW2

Orange

BR Brown

BK Black

Blue

Color Marks

Mark Color

RedRD

Y／GN

Yellow

Yellow／Green

White

Plural units Master／Slave setting

address

Notes 1. indicates wiring on site.

3. See the wiring diagram of outside unit about the line between

4. Use twin core cable（0.3mm X2）at remote controller line. See spec

sheet of remote controller in case that the total length is more than 100m.

5. Do not put remote controller line alongside power source line.

inside unit and outside unit.

2. TB1 is the terminal block for heavy current（connecting line between

and TB2 is the terminal block for weak current（remote controller）.

indoor unit and outdoor unit）,

PJA003Z340

'12 • SRK-T-126

Color

Mark

OrangeOR

Yellow／GreenY／G

BlackBK

YellowY

WhiteWH

Red

DescriptionItem

Connector

Electric expansion valve（coil）

EEV

Fan motor

FMo

Reactor

Terminal block

Compressor motor

Solenoid valve for 4 way valve

20S

Heat exchanger sensor（outdoor unit）

TH1

Outdoor air temp.sensor

TH2

TH3 Discharge pipe temp.sensor

CN20S

CNTH

CNEEV

CNFAN

Model

Power cable, indoor-outdoor connecting wires

The specifications shown in the above table are for units without heaters. For units with heaters, refer

to the installation instructions or the construction instructions of the indoor unit.

Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen

along the regulations in each country.

The cable specifications are based on the assumption that a metal or plastic conduit is used with no

more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling

outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation

in effect in each country.

8 2.0 32 1.5mm2x 3 1.5mm2

[ ]

～220ｰ240V 50Hz／～220V 60Hz

POWER SOURCE

（BK）

C-2

（RD）

（Y／G）

S.IN（WH）

R.IN

（BK）

（WH）

（RD）

PWB ASSY

250V 20A

F3 250V 1A

+ +

250V 10A

250V 2A

CIRCUIT

PAM

SWITCHING POWER

CIRCUIT

TRANSISTOR

POWER

FILTER

NOISE

CN20S CNTH CNEEV

CNFAN M

3～

250V 15A

（Y／G）

T1 T2

（OR）

（Y）

t゜

TH1 TH2 TH3 EEV

FMo

t゜t゜

t゜

5 or 6 wires

TERMINAL

BLOCK

TO INDOOR UNIT

POWER WIRES

SIGNAL WIRE

20S

MAX running current Power cable size

（mm ）

（A）

Power cable length

（m）

indoor-outdoor

wire size x number

Earth wire size

(2) Outdoor units

Models SRC25ZJX-S, 35ZJX-S

RWC000Z227

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